It's actually more accurate to say that deleted files from an internal SSD have little to no chance of being recovered. If it's an extenal SSD connected by USB then there is more chance of recovery. The difference between recovery from HDDs and SSDs basicallly comes down to the TRIM command issued by the computer to SSDs. Unlike a HDD where the file just gets marked as deleted, but the data remains on the drive until overwritten by new data, with a SSD you have to erase the data to e